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Ngwaọrụ Nchedo Mberede: Chebe Eletrọniki Gị

Nkọwa Dị Mkpirikpi:

Owuwu na Atụmatụ

 

  • Ebe O Ji Eme Ihe: Mbadamba Nkesa Isi
  • Ụdị Nchedo: LN, N-PE
  • Ọkwa Mmụba: Iimp = 12.5kA(10/350μs) / In=20kA(8/20μs)
  • IEC/EN/UL Ụdị: Klas I+II / Ụdị 1+2
  • Ihe Nchedo: Ike Dị Elu MOV na GDT
  • Ụlọ: Nhazi a pụrụ ịgbanye
  • Nrubeisi: IEC 61643-11:2011 / EN 61643-11:2012 / UL 1449 Mbipụta nke Anọ

Nkọwa Ngwaahịa

Akara Ngwaahịa

Ngwaọrụ Nchedo Mberede: Chebe Eletrọniki Gị,
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Data teknụzụ

IEC Eletriki 75 150 275 320
Voltaji AC nkịtị (50/60Hz) Uc/Un 60V 120V 230V 230V
Voltaji ọrụ kachasị na-aga n'ihu (AC) (LN) Uc 75V 150V 270V 320V
(N-PE) Uc 255V
Ọsọ Mwepụ Aha (8/20μs) (LN)/(N-PE) In 20 kA/25kA
Oke Ọsọ Mwepụ (8/20μs) (LN)/(N-PE) Imax 50 kA/50 kA
Ọkụ Mgbapụta Mmetụta (10/350μs) (LN)/(N-PE) Iimp 12.5kA/25kA
Ike Pụrụ Iche (LN)/(N-PE) W/R 39 kJ/Ω / 156 kJ/Ω
Ụgwọ (LN)/(N-PE) Q 6.25 Dịka/12.5A
Ọkwa Nchedo Voltaji (LN)/(N-PE) Up 0.7kV/1.5 kV 1.0kV/1.5 kV 1.5 kV/1.5 kV 1. 6kV/1.5 kV
(N-PE) Ifi Ogwe Aka 100
Oge Nzaghachi (LN)/(N-PE) tA <25ns/<100 ns
Fuse Ndabere (kachasị) 315A/250A gG
Ọkwa Ugbu a Dị Mkpirikpi (AC) (LN) ISCCR 25kA/50kA
TOV na-eguzogide 5s (LN) UT 114V 180V 335V 335V
TOV nkeji 120 (LN) UT 114V 230V 440V 440V
ụdịdị Iguzogide Ọdịda Nchekwa Ọdịda Nchekwa Ọdịda Nchekwa
TOV na-eguzogide 200ms (N-PE) UT 1200V
UL Eletriki
Voltaji ọrụ kachasị na-aga n'ihu (AC) MCOV 75V/255V 150V/255V 275V/255V 320V/255V
Ọkwa Nchedo Voltaji VPR 330V/1200V 600V/1200V 900V/1200V 1200V/1200V
Ọsọ Mwepụ Aha (8/20μs) In 20kA/20kA 20kA/20kA 20kA/20kA 20kA/20kA
Ọkwa Ugbu a Dị Mkpirikpi (AC) SCCR 100kA 200kA 150kA 150kA

Ngwaọrụ Nchedo Mberede 1 (1)

N'ụwa nke taa nke teknụzụ na-achịkwa, ngwaọrụ eletrọniki aghọọla akụkụ dị mkpa nke ndụ anyị kwa ụbọchị, ijide n'aka na nchekwa na ogologo oge nke ngwaọrụ ndị a dị oke mkpa. Ka mmụba ike na-aga n'ihu, itinye ego na ngwaọrụ nchekwa mmụba na-aghọ ihe dị oke mkpa. Ngwaọrụ ndị a na-enye nchekwa ọzọ megide mgbawa voltaji mberede nke nwere ike imebi ma ọ bụ ọbụna bibie ngwa eletrọniki gị.

E mepụtara ngwaọrụ nchekwa mmụba (SPDs) iji dọpụ voltaji gabigara ókè n'ebe akụrụngwa gị nọ n'oge mmụba ike. Enwere ike ibute mmụba site na ọkụ eletrik, mgbanwe grid ọrụ, ma ọ bụ mmebi ngwaọrụ. Ọ bụrụ na enweghị nchekwa zuru oke, mmụba ndị a nwere ike imebi akụrụngwa eletrọniki gị, na-akpata mmebi a na-apụghị idozi na mfu ego.

SPDs na-arụ ọrụ site n'ilekọta ma na-achịkwa ọkụ eletrik na-abanye na ngwaọrụ ahụ. Mgbe achọpụtara mmụba ọkụ eletrik, ngwaọrụ ahụ na-atụgharị voltaji karịrị akarị ozugbo na ala, na-egbochi ya iru ngwaọrụ bara uru gị. Nke a na-eme ka ngwaọrụ eletrọniki gị nweta ike na-adịgide adịgide ma dị nchebe, na-agbatị ndụ ha ma na-ezere ndozi ma ọ bụ nnọchi dị oke ọnụ.

Otu n'ime uru kachasị dị na ihe nchebe surge bụ ọtụtụ ihe dị iche iche ọ na-eme. Enwere ike iji ha na gburugburu ebe obibi, azụmahịa na ụlọ ọrụ mmepụta ihe iji chebe ọtụtụ ngwa eletrọniki. Site na TV na kọmputa ruo na friji na ntụ oyi, ngwa eletriki niile nwere ike irite uru site na itinye SPD.

Ọzọkwa, ngwaọrụ nchekwa surge dị mfe ịwụnye ma na-enye ngwọta dị ọnụ ala iji chebe akụrụngwa eletrọniki gị. Site na nhazi ha dị obere, enwere ike itinye ha n'ime oghere ike ma ọ bụ tinye ha na switchboard. Itinye ego na SPD bụ obere ọnụ ahịa ịkwụ ụgwọ maka nchekwa ogologo oge ọ na-enye, nke nwere ike ịchekwa gị ọtụtụ narị ma ọ bụ ọbụna puku dollar ma ọ bụrụ na ike amụba.

Mgbe ị na-ahọrọ ngwaọrụ nchekwa mmụba, ọ dị mkpa ịtụle ihe ndị dị ka voltaji njikọta, oge nzaghachi, na ọkwa Joule. Voltaji njikọta na-anọchite anya ọkwa voltaji nke ngwaọrụ ahụ na-ebufe ike karịrị akarị. Voltaji njikọta dị ala na-eme ka nchekwa ka mma. Oge nzaghachi na-ezo aka n'otú ngwaọrụ si azaghachi ọsọ ọsọ na mmụba, ebe ọkwa Joule na-egosi ikike ngwaọrụ nwere ịnabata ike n'oge ihe omume mmụba.

Na mmechi, ịdabere na ngwa eletrọniki na-abawanye elu chọrọ usoro dị irè iji chebe megide mmụba ike. Ngwa nchebe ebili mmiri bụ ụzọ dị mkpa isi gbochie mmebi dị oke ọnụ na ngwa eletrọniki gị bara uru. Site na itinye ego na SPD, ị nwere ike inwe obi iru ala na akụrụngwa gị agaghị emetụta mmụba ike a na-atụghị anya ya ma ga-adịte aka. Mee ihe dị mkpa iji chebe ngwa eletrọniki gị site na nchekwa ebili mmiri taa.


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